Luís, > I have a WCS serving a few thematic maps, where each cell represents a > class, like in a land use or ecological map. The maps include a Raster > Attribute Table (RAT) which essentially relates cell values to classes > (e.g. 1 - Grassland). > > What would be the correct way of providing the RAT to users of these > services? As far as I can tell, this is not supported in the WCS core. Is > it somehow considered in an extension? > > Besides WCS, would it be possible to publish the RAT through MapServer in > some other way?
One possibility would be for the WCS code in MapServer to return a .zip with let's say a .tif file and a GDAL .aux.xml file with a GDAL RAT object serialized in it. The input RAT could be in a .aux.xml sidecar of the input file too. MapServer would have to set it from the source to the target Even -- Spatialys - Geospatial professional services http://www.spatialys.com
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